s3getfile(bucket, path, outfile)

Write the file at bucket:path to outfile.

s3stream(f, bucket, path)

Call f(s3stream(bucket, path)), ensuring that the stream is closed properly once f has finished executing, including in the case of errors.

s3stream(bucket, path)

Return an IO object streaming path from bucket.

s3upload(bucket, file, key)

Upload file to bucket:key.